Lock-N-Load® Headspace Comparator Bush
The Lock-N-Load® Headspace Comparator extends brass life, improves accuracy, and enhances safety. The gauge measures variations in brass before and after firing or re-sizing. It allows for headspace comparison between fire-formed brass and re-sized brass.
D .400" #D400 Compatability
223 Winchester Super Short Magnum
243 Winchester Super Short Magnum
270 Winchester Short Magnum